One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for La Crosse can be reffered to in order to figure out when you can plant parsnip.

Planting Calendar for Parsnip

Frost tolerance for parsnip:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Parsnip do ok in mild cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant parsnip in La Crosse is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant parsnip and expect a good harvest is probably August. Any later than that and your parsnip may not have a chance to fully mature. Starting your parsnip indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on May 15 in La Crosse. You can expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for La Crosse is just an average and the actual date of last frost changes from year to year. Half of the time in La Crosse you get surprised by a frost after May 15 so make sure that you are ready to protect your parsnip in the event of a surprise late frost.

USDA Zone Info for La Crosse

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in La Crosse

You may be interested in your other planting guides for La Crosse.